/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: mirac
 * Date: 2025-08-03
 * Time: 23:02
 */
public class ListNode {
    int val;
    ListNode next;
    ListNode() {}
    ListNode(int val) { this.val = val; }
    ListNode(int val, ListNode next) { this.val = val; this.next = next; }
}
